EP3035166B1 - Control module for a human-machine dialogue system - Google Patents

Control module for a human-machine dialogue system Download PDF

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Publication number
EP3035166B1
EP3035166B1 EP15188288.3A EP15188288A EP3035166B1 EP 3035166 B1 EP3035166 B1 EP 3035166B1 EP 15188288 A EP15188288 A EP 15188288A EP 3035166 B1 EP3035166 B1 EP 3035166B1
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EP
European Patent Office
Prior art keywords
human
electrical contact
machine dialogue
control module
state
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EP15188288.3A
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German (de)
French (fr)
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EP3035166A1 (en
Inventor
Bertrand Fruchard
Francis Chauvet
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0227—Cooperation and interconnection of the input arrangement with other functional units of a computer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators

Definitions

  • the present invention relates to a control module for human-machine dialogue system as well as to a man-machine dialogue system including said control module.
  • the human-machine dialogue system comprises in particular one or more man-machine dialogue members connected in series, a human-machine dialogue device comprising at least one electrical contact, a light indicator or a combination formed of at least one electrical contact and a light indicator.
  • the patent application EP 2 479 646 A1 discloses a man-machine dialogue system having a first part provided with a data processing unit and a power supply unit, a second part comprising a plurality of man-machine dialogue members each having a human dialogue interface and a communication bus connecting the power supply unit and the processing unit to each human-machine dialogue unit.
  • the document US 2003/058623 A1 a modular system for a safety switch for safely switching off or on actuating elements, said system comprising at least one input module for reliably interpreting the data of a safety device, and producing an output signal, and at least one output module for reliably actuating the actuating element in accordance with the output signal of the input module.
  • XP055200789 relates to different electrical circuit designs for detecting the status of multiple push buttons connected to a microcontroller.
  • This architecture uses intelligent human-machine dialogue organs, that is to say including a microprocessor and a memory for storing their state. This architecture is thus more complex and more expensive.
  • the object of the invention is to propose a man-machine dialogue system in which the man-machine dialogue organs are devoid of intelligence and a control module allowing an addressing of each human-machine dialogue device through a wiring using a minimum of threads.
  • the control module is arranged to control the reading means and the alternating write means in time and the reading period is short compared to the writing period.
  • the invention also relates to a man-machine dialogue system comprising a control module as defined above and several man-machine dialogue members connected in series, a man-machine dialogue device comprising a functional element comprising at least one electrical contact, an indicator or a combination of at least one electrical contact and an indicator, said control module comprising a common terminal connected to all human-machine dialogue elements and a terminal dedicated to the individual control of each element functional organs of human-machine dialogue.
  • the human-machine dialogue elements are connected to the control module by a point-to-point link via a network of twisted cables.
  • the indicator is of the luminous type.
  • the control module 1 comprises a microcontroller 10 for reading and writing the state of each man-machine dialogue member and an interconnection block for individually addressing each human-machine dialogue member.
  • the interconnection block and the microcontroller 10 can be combined in the same box or separated via a wired or wireless link, the intelligence of the microcontroller 10 can be offset with respect to the interconnection block.
  • control module should be considered as covering the two possible architectures.
  • the control module is represented in the form of a single housing incorporating the interconnection block and the microcontroller 10.
  • the upstream electrical contact terminals BGi are connected by wiring to the downstream electrical contact terminals BDi, via the microcontroller 10.
  • the control module 1 may also include terminals U1 to U5 enabling it to be connected to a central control system, for example a programmable logic controller (PLC).
  • PLC programmable logic controller
  • control module is used to control and control one or more human-machine dialogue members 2.
  • Each human-machine dialogue member 2 also comprises a functional element 20 composed of at least one electrical contact, an indicator or a combination of at least one electrical contact and an indicator.
  • the indicator can be of all types, bright, vibrant or sound ... In the following description and figures, we will take the example of a light indicator.
  • the human-machine dialogue device 2 Depending on the position of the human-machine dialogue member with respect to the control module 1, it will be addressed by a separate terminal of the control module 1. Its position relative to the control module 1 corresponds to its address. The human-machine dialogue device 2 therefore does not require any addressing configuration.
  • control module 1 anywhere relative to the human-machine dialogue elements, that is to say at the head ( Figure 2A ), between at least two organs of man-machine dialogue ( Figure 2B ) or at the tail ( Figure 2C ).
  • the functional elements of the human-machine dialogue members are disconnected from the connector portion and each human-machine dialogue member can be connected. physically to another organ of human-machine dialogue, which is not necessarily adjacent to it, by a multiconductor cable.
  • control module 1 is also arranged to read and write the state of each functional element 20 of the man-machine dialogue members 2 connected to it.
  • control module 1 applies a positive or negative voltage between the common terminal BC and the terminal BDi dedicated to the functional element 20 of the addressed human-machine dialogue element.
  • the figure 4 schematically represents the functional element 20 connected between the common terminal BC and the terminal BDi and comprising a light indicator L1, for example a light emitting diode, and an electrical contact C1 connected in parallel between these terminals.
  • the functional element 20 comprises a resistor R1 and a diode D2 connected in series with the light indicator L1.
  • the control module 1 implements writing means arranged to apply a voltage V W between the two terminals, allowing a current flow through the light indicator L1.
  • the functional element 20 comprises a diode D3, the diode D3 being oriented in opposite direction with respect to the diode D2 in series with the indicator light.
  • the control module implements reading means arranged to apply a voltage V R between the two terminals, of opposite sign to the voltage V W , and allowing a passage of the current through the electrical contact C1 if it is closed.
  • each voltage V W and V R is chosen according to the orientation of the diodes D2, D3.
  • the control module 1 is thus arranged to apply a write period T W and a read period T R of the states of the electrical contact C1 and the indicator luminous L1 of the functional element by alternately applying the voltage V W and the voltage V R.
  • the reading phase is performed for a very short time by interrupting the writing phase.
  • the reading phase will last for example a few milliseconds and the interruption intended for this reading will remain invisible to the naked eye.
  • two long periods of writing of the light indicator are thus separated each time by a short period of reading of the electrical contact.
  • This strategy is applied by the control module 1 for each man-machine dialogue unit 2 of the system.
  • the reading period will represent for example less than 1% of the total time required for reading and writing.
  • the control module 1 For a functional element 20 which comprises two electrical contacts C A , C B connected in parallel, the control module 1 must be able to determine the respective state of each electrical contact C A , C B.
  • the Figures 6 to 8 represent several embodiments enabling the control module 1 to read the states of the two contacts C A , C B while still using only one wire.
  • the two electrical contacts C A , C B are connected in parallel between the common terminal BC and a terminal BDi of the control module 1.
  • the proposed solution will notably make it possible to use a minimum of wires to address each human-machine dialogue unit of the system, without requiring the use of intelligence in the organs, or a complex read / write method.

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention se rapporte à un module de commande pour système de dialogue homme-machine ainsi qu'à un système de dialogue homme-machine incluant ledit module de commande.The present invention relates to a control module for human-machine dialogue system as well as to a man-machine dialogue system including said control module.

Le système de dialogue homme-machine comprend notamment un ou plusieurs organes de dialogue homme-machine connectés en série, un organe de dialogue homme-machine comprenant au moins un contact électrique, un indicateur lumineux ou une combinaison formée d'au moins un contact électrique et d'un indicateur lumineux.The human-machine dialogue system comprises in particular one or more man-machine dialogue members connected in series, a human-machine dialogue device comprising at least one electrical contact, a light indicator or a combination formed of at least one electrical contact and a light indicator.

Etat de la techniqueState of the art

La demande de brevet EP 2 479 646 A1 décrit un système de dialogue homme-machine comportant une première partie munie d'une unité de traitement de données et une unité d'alimentation électrique, une deuxième partie comportant plusieurs organes de dialogue homme-machine dotés chacun, d'une interface de dialogue homme-machine et un bus de communication reliant l'unité d'alimentation et l'unité de traitement à chaque organe de dialogue homme-machine.The patent application EP 2 479 646 A1 discloses a man-machine dialogue system having a first part provided with a data processing unit and a power supply unit, a second part comprising a plurality of man-machine dialogue members each having a human dialogue interface and a communication bus connecting the power supply unit and the processing unit to each human-machine dialogue unit.

Le document US 2003/058623 A1 concerne un système modulaire pour commutateur de sécurité permettant une mise hors ou sous tension en toute sécurité d'éléments d'actionnement, ledit système comprenant au moins un module d'entrée servant à interpréter de manière sûre les données d'un dispositif de sécurité, et à produire un signal de sortie, et au moins un module de sortie servant à actionner de manière sûre l'élément d'actionnement en fonction du signal de sortie du module d'entrée.The document US 2003/058623 A1 a modular system for a safety switch for safely switching off or on actuating elements, said system comprising at least one input module for reliably interpreting the data of a safety device, and producing an output signal, and at least one output module for reliably actuating the actuating element in accordance with the output signal of the input module.

Le document XP055200789 concerne différentes conceptions de circuit électrique pour détecter l'état de plusieurs boutons poussoirs connectés à un micro-contrôleur.XP055200789 relates to different electrical circuit designs for detecting the status of multiple push buttons connected to a microcontroller.

Le principal inconvénient de cette architecture est qu'elle utilise des organes de dialogue homme-machine intelligents, c'est-à-dire incluant un microprocesseur et une mémoire pour mémoriser leur état. Cette architecture est ainsi plus complexe et plus couteuse.The main disadvantage of this architecture is that it uses intelligent human-machine dialogue organs, that is to say including a microprocessor and a memory for storing their state. This architecture is thus more complex and more expensive.

Le but de l'invention est de proposer un système de dialogue homme-machine dans lequel les organes de dialogue homme-machine sont dépourvus d'intelligence et un module de commande permettant un adressage de chaque organe de dialogue homme-machine à travers un câblage employant un minimum de fils.The object of the invention is to propose a man-machine dialogue system in which the man-machine dialogue organs are devoid of intelligence and a control module allowing an addressing of each human-machine dialogue device through a wiring using a minimum of threads.

Exposé de l'inventionPresentation of the invention

Ce but est atteint par un module de commande pour système de dialogue homme-machine défini par les revendications indépendantes.This object is achieved by a control module for human-machine dialogue system defined by the independent claims.

Ledit système de dialogue homme-machine comprend un ou plusieurs organes de dialogue homme-machine connectés en série, un organe de dialogue homme-machine comprenant un élément fonctionnel comprenant au moins un contact électrique, un indicateur ou une combinaison d'au moins un contact électrique et d'un indicateur, ledit module de commande comprenant un microcontrôleur, une borne commune destinée à être reliée à chaque élément fonctionnel et plusieurs bornes dédiées chacune à la commande individuelle de l'élément fonctionnel de chaque organe de dialogue homme-machine, ledit module de commande comportant également :

  • des moyens de lecture agencés pour appliquer, sur une période de lecture, une tension d'un premier signe entre sa borne commune et chaque borne dédiée pour lire l'état de chaque contact électrique des organes de dialogue homme-machine connectés,
  • des moyens d'écriture agencés pour appliquer, sur une période d'écriture, une tension de signe opposé au premier signe pour écrire l'état de chaque indicateur des organes de dialogue homme-machine connectés.
The human-machine dialogue system comprises one or a plurality of man-machine dialogue members connected in series, a man-machine dialogue member comprising a functional element comprising at least one electrical contact, an indicator or a combination of at least one electrical contact and an indicator, said module of command including a microcontroller, a common terminal intended to be connected to each functional element and several terminals each dedicated to the individual control of the functional element of each human-machine dialogue element, said control module also comprising:
  • reading means arranged to apply, over a reading period, a voltage of a first sign between its common terminal and each dedicated terminal to read the state of each electrical contact of the connected human-machine dialogue members,
  • write means arranged to apply, over a write period, a sign voltage opposite to the first sign to write the state of each indicator of the connected human-machine dialogue members.

Le module de commande est agencé pour commander les moyens de lecture et les moyens d'écriture par alternance dans le temps et la période de lecture est courte par rapport à la période d'écriture.The control module is arranged to control the reading means and the alternating write means in time and the reading period is short compared to the writing period.

L'invention concerne également un système de dialogue homme-machine comprenant un module de commande tel que défini ci-dessus et plusieurs organes de dialogue homme-machine connectés en série, un organe de dialogue homme-machine comprenant un élément fonctionnel comprenant au moins un contact électrique, un indicateur ou une combinaison d'au moins un contact électrique et d'un indicateur, ledit module de commande comprenant une borne commune reliée à tous les organes de dialogue homme-machine et une borne dédiée à la commande individuelle de chaque élément fonctionnel des organes de dialogue homme-machine.The invention also relates to a man-machine dialogue system comprising a control module as defined above and several man-machine dialogue members connected in series, a man-machine dialogue device comprising a functional element comprising at least one electrical contact, an indicator or a combination of at least one electrical contact and an indicator, said control module comprising a common terminal connected to all human-machine dialogue elements and a terminal dedicated to the individual control of each element functional organs of human-machine dialogue.

Selon une particularité, le système comporte par exemple :

  • un organe de dialogue homme-machine doté d'un élément fonctionnel présentant un premier contact électrique et un deuxième contact électrique connectés en parallèle,
  • des moyens de détermination de l'état du premier contact électrique et de l'état du deuxième contact électrique sur ladite période de lecture.
According to a particularity, the system comprises for example:
  • a human-machine dialogue member having a functional element having a first electrical contact and a second electrical contact connected in parallel,
  • means for determining the state of the first electrical contact and the state of the second electrical contact on said reading period.

Avec un organe de dialogue homme-machine à deux contacts électriques, les moyens de détermination sont agencés pour déterminer l'état de chaque contact électrique par :

  • le niveau de courant traversant chaque contact électrique, ou
  • le niveau de tension aux bornes de chaque contact électrique, ou
  • en découpant la période de lecture en une première partie destinée à la lecture de l'état du premier contact électrique et en une deuxième partie destinée à la lecture de l'état du deuxième contact électrique.
With a human-machine dialogue device with two electrical contacts, the determination means are arranged to determine the state of each electrical contact by:
  • the level of current flowing through each electrical contact, or
  • the voltage level at the terminals of each electrical contact, or
  • by cutting the reading period into a first part for reading the state of the first electrical contact and a second part for reading the state of the second electrical contact.

Préférentiellement, les organes de dialogue homme-machine sont reliés au module de commande par une liaison point à point via un réseau de câbles torsadés.Preferably, the human-machine dialogue elements are connected to the control module by a point-to-point link via a network of twisted cables.

Préférentiellement, l'indicateur est de type lumineux.Preferably, the indicator is of the luminous type.

Brève description des figuresBrief description of the figures

D'autres caractéristiques et avantages vont apparaître dans la description détaillée qui suit faite en regard des dessins annexés dans lesquels :

  • la figure 1 représente, de manière schématique, le module de commande de l'invention,
  • les figures 2A à 2C représente le système de dialogue homme-machine de l'invention dans différentes configurations,
  • les figures 3A à 3D, de manière schématique, un organe de dialogue homme-machine dans différentes configurations,
  • la figure 4 représente le schéma d'un élément fonctionnel comprenant un indicateur lumineux et un contact électrique connectés en parallèle,
  • la figure 5 illustre les temps de lecture et d'écriture appliqués par le module de commande,
  • Les figures 6, respectivement 7, représentent un élément fonctionnel à deux contacts électriques connectés en parallèle, respectivement en série, et permettant la lecture de l'état des deux contacts,
  • La figure 8A représente un élément fonctionnel à deux contacts électriques connectés en parallèle et permettant la lecture de l'état des deux contacts et la figure 8B illustre le temps de lecture octroyé à la lecture de l'état de chaque contact électrique.
Other features and advantages will appear in the following detailed description with reference to the accompanying drawings in which:
  • the figure 1 represents, schematically, the control module of the invention,
  • the FIGS. 2A to 2C represents the man-machine dialogue system of the invention in different configurations,
  • the Figures 3A to 3D , schematically, a human-machine dialogue device in different configurations,
  • the figure 4 represents the diagram of a functional element comprising a light indicator and an electrical contact connected in parallel,
  • the figure 5 illustrates the read and write times applied by the control module,
  • The figures 6 , respectively 7, represent a functional element with two electrical contacts connected in parallel, respectively in series, and allowing the reading of the state of the two contacts,
  • The figure 8A represents a functional element with two electrical contacts connected in parallel and allowing the reading of the state of the two contacts and the Figure 8B illustrates the reading time given to the reading of the state of each electrical contact.

Description détaillée d'au moins un mode de réalisationDetailed description of at least one embodiment

L'invention a pour cadre un système de dialogue homme-machine comprenant :

  • plusieurs organes de dialogue homme-machine 2 connectés en série,
  • un module de commande 1 réalisé en une ou deux parties.
The invention is based on a human-machine dialogue system comprising:
  • several human-machine dialogue members 2 connected in series,
  • a control module 1 made in one or two parts.

Le module de commande 1 comporte un microcontrôleur 10 permettant de lire et d'écrire l'état de chaque organe de dialogue homme-machine et un bloc d'interconnexion destiné à adresser individuellement chaque organe de dialogue homme-machine. Le bloc d'interconnexion et le microcontrôleur 10 peuvent être réunis dans un même boîtier ou séparés via une liaison filaire ou sans-fil, l'intelligence du microcontrôleur 10 pouvant être déportée par rapport au bloc d'interconnexion.The control module 1 comprises a microcontroller 10 for reading and writing the state of each man-machine dialogue member and an interconnection block for individually addressing each human-machine dialogue member. The interconnection block and the microcontroller 10 can be combined in the same box or separated via a wired or wireless link, the intelligence of the microcontroller 10 can be offset with respect to the interconnection block.

Dans la suite de la description, l'emploi de l'expression « module de commande » devra être considéré comme couvrant les deux architectures possibles. Sur les figures annexées, le module de commande est représenté sous la forme d'un boîtier unique intégrant le bloc d'interconnexion et le microcontrôleur 10.In the remainder of the description, the use of the expression "control module" should be considered as covering the two possible architectures. In the accompanying figures, the control module is represented in the form of a single housing incorporating the interconnection block and the microcontroller 10.

Le module de commande 1 comporte une borne de contact électrique commune BC, une première série de bornes de contact électrique dite amonts BGi, une deuxième série de bornes de contact électrique dite avals BDi, i allant de 1 à n (avec n supérieur ou égal à 2 - n=5 sur la figure 1). Les bornes de contact électrique amonts BGi sont reliées par câblage aux bornes de contact électrique avals BDi, par l'intermédiaire du microcontrôleur 10.The control module 1 comprises a common electrical contact terminal BC, a first series of electrical contact terminals called upstream BGi, a second series of electrical contact terminals called downstream BDi, i ranging from 1 to n (with n greater than or equal to at 2 - n = 5 on the figure 1 ). The upstream electrical contact terminals BGi are connected by wiring to the downstream electrical contact terminals BDi, via the microcontroller 10.

Le module de commande 1 peut également comporter des bornes U1 à U5 lui permettant d'être relié à un système central de commande, par exemple à un contrôleur logique programmable (PLC).The control module 1 may also include terminals U1 to U5 enabling it to be connected to a central control system, for example a programmable logic controller (PLC).

De façon générale, le module de commande selon l'invention est utilisé pour contrôler et commander un ou plusieurs organes de dialogue homme-machine 2.In general, the control module according to the invention is used to control and control one or more human-machine dialogue members 2.

Chaque organe de dialogue homme-machine 2 se présente sous la forme d'un boîtier et comporte plusieurs bornes, dites amonts BGi (avec i compris entre 1 et n et n supérieur ou égal 2 - n=5 sur les figures annexées), et plusieurs bornes, dites avals BDi (avec i compris entre 1 et n et n supérieur ou égal à 2 - n=5 sur les figures annexées). Chaque organe de dialogue homme-machine 2 comporte également un élément fonctionnel 20 composé d'au moins un contact électrique, d'un indicateur ou d'une combinaison d'au moins un contact électrique et d'un indicateur. L'indicateur peut être de tous types, lumineux, vibrant ou sonore... Dans la suite de la description et sur les figures, nous prendrons l'exemple d'un indicateur lumineux.Each human-machine dialogue unit 2 is in the form of a housing and comprises several terminals, said upstream BGi (with i between 1 and n and n greater than or equal to 2 - n = 5 in the appended figures), and several terminals, called avals BDi (with i between 1 and n and n greater than or equal to 2 - n = 5 in the accompanying figures). Each human-machine dialogue member 2 also comprises a functional element 20 composed of at least one electrical contact, an indicator or a combination of at least one electrical contact and an indicator. The indicator can be of all types, bright, vibrant or sound ... In the following description and figures, we will take the example of a light indicator.

La connexion entre les organes de dialogue homme-machine 2 et le module de commande est réalisée par l'intermédiaire d'un câble torsadée. Selon différentes configurations, on peut avoir :

  • un organe de dialogue homme-machine à un élément fonctionnel comprenant un contact électrique C1 ou un indicateur lumineux L1 (figures 3A et 3B) connecté à la borne commune BC, à la borne BG1 et à la borne BDn (BD5 sur les figures 3A et 3B). Chacune des autres bornes BGi (avec i supérieur ou égal à 2) est reliée directement à la borne BDi-1 de cet organe de dialogue.
  • un organe de dialogue homme-machine à un élément fonctionnel comprenant un contact électrique C1 et un indicateur lumineux L1 connectés en parallèle (figure 3C à la borne commune BC, à la borne BG1 et à la borne BDn (BD5 sur la figure 3C). Chacune des autres bornes BGi (avec i supérieur ou égal à 2) est reliée directement à la borne BDi-1 de cet organe de dialogue.
  • un organe de dialogue homme-machine à un élément fonctionnel comprenant deux contacts électriques CA, CB et un indicateur lumineux L1 connectés en parallèle (figure 3D) à la borne commune BC, à la borne BG1 et à la borne BDn (BD5 sur la figure 3D). Chacune des autres bornes BGi (avec i supérieur ou égal à 2) est reliée directement à la borne BDi-1 de cet organe de dialogue.
The connection between the man-machine dialogue elements 2 and the control module is made via a twisted cable. According to different configurations, one can have:
  • a human-machine dialogue member with a functional element comprising an electrical contact C1 or a light indicator L1 ( Figures 3A and 3B ) connected to common terminal BC, to terminal BG1 and to terminal BDn (BD5 on Figures 3A and 3B ). Each of the other terminals BGi (with i greater than or equal to 2) is connected directly to the terminal BDi-1 of this dialogue member.
  • a human-machine dialogue member with a functional element comprising an electrical contact C1 and a light indicator L1 connected in parallel ( figure 3C at common marker BC, at marker BG1 and at marker BDn (BD5 on figure 3C ). Each of the other terminals BGi (with i greater than or equal to 2) is connected directly to the terminal BDi-1 of this dialogue member.
  • a human-machine dialogue element with a functional element comprising two electrical contacts C A , C B and a light indicator L 1 connected in parallel ( 3D figure ) to common post BC, to post BG1 and to post BDn (BD5 on 3D figure ). Each of the other terminals BGi (with i greater than or equal to 2) is connected directly to the terminal BDi-1 of this dialogue member.

Selon la position de l'organe de dialogue homme-machine par rapport au module de commande 1, celui-ci sera adressé par une borne distincte du module de commande 1. Sa position par rapport au module de commande 1 correspond à son adresse. L'organe de dialogue homme-machine 2 ne nécessite donc aucune configuration d'adressage.Depending on the position of the human-machine dialogue member with respect to the control module 1, it will be addressed by a separate terminal of the control module 1. Its position relative to the control module 1 corresponds to its address. The human-machine dialogue device 2 therefore does not require any addressing configuration.

L'emploi d'un câblage torsadé permet notamment de pouvoir positionner le module de commande 1 n'importe où par rapport aux organes de dialogue homme-machine, c'est-à-dire en tête (figure 2A), entre au moins deux organes de dialogue homme-machine (figure 2B) ou en queue (figure 2C).The use of twisted wiring makes it possible in particular to be able to position the control module 1 anywhere relative to the human-machine dialogue elements, that is to say at the head ( Figure 2A ), between at least two organs of man-machine dialogue ( Figure 2B ) or at the tail ( Figure 2C ).

Dans une variante de réalisation de l'invention non représentée, les éléments fonctionnels des organes de dialogue homme-machine sont désolidarisés de la partie connectique et chaque organe de dialogue homme-machine peut être relié physiquement à un autre organe de dialogue homme-machine, qui ne lui est pas nécessairement adjacent, par un câble multiconducteurs.In an alternative embodiment of the invention not shown, the functional elements of the human-machine dialogue members are disconnected from the connector portion and each human-machine dialogue member can be connected. physically to another organ of human-machine dialogue, which is not necessarily adjacent to it, by a multiconductor cable.

Il ressort de la description ci-dessus que tous les organes de dialogue homme-machine 2 sont reliés physiquement entre eux et au module de commande 1, soit directement, soit à travers d'autres organes de dialogue adjacents, de sorte que les signaux de contrôle et d'état de chacun de ces organes peuvent être échangés directement avec le module de commande 1. Grâce au câblage torsadé décrit ci-dessus, plusieurs organes de dialogue homme-machine 2 peuvent être reliés en série avec le module de commande 1 et échanger avec ce module des données quelles que soient leur positions respectives par rapport à lui.It emerges from the description above that all the man-machine dialogue members 2 are physically connected to each other and to the control module 1, either directly or through other adjacent dialogue members, so that the signals of The control and state of each of these elements can be exchanged directly with the control module 1. By means of the twisted wiring described above, several man-machine dialogue elements 2 can be connected in series with the control module 1 and exchange with this module data regardless of their respective positions in relation to it.

Selon l'invention, le module de commande 1 est également agencé pour lire et écrire l'état de chaque élément fonctionnel 20 des organes de dialogue homme-machine 2 qui lui sont connectés.According to the invention, the control module 1 is also arranged to read and write the state of each functional element 20 of the man-machine dialogue members 2 connected to it.

Pour un organe de dialogue homme-machine dont l'élément fonctionnel comporte au moins un contact électrique C1 et un indicateur lumineux L1 connectés en parallèle entre les mêmes bornes, la lecture et l'écriture ne peuvent être réalisées en même temps.For a human-machine dialogue device whose functional element comprises at least one electrical contact C1 and a light indicator L1 connected in parallel between the same terminals, reading and writing can not be performed at the same time.

Pour cela, le module de commande 1 applique une tension positive ou négative entre la borne commune BC et la borne BDi dédiée à l'élément fonctionnel 20 de l'organe de dialogue homme-machine adressé.For this purpose, the control module 1 applies a positive or negative voltage between the common terminal BC and the terminal BDi dedicated to the functional element 20 of the addressed human-machine dialogue element.

La figure 4 représente de manière schématique l'élément fonctionnel 20 connecté entre la borne commune BC et la borne BDi et comprenant un indicateur lumineux L1, par exemple une diode électroluminescente, et un contact électrique C1 connectés en parallèle entre ces bornes. En plus de l'indicateur lumineux L1, l'élément fonctionnel 20 comporte une résistance R1 et une diode D2 connectées en série avec l'indicateur lumineux L1. Pour écrire l'état de l'indicateur lumineux L1, le module de commande 1 met en oeuvre des moyens d'écriture agencés pour appliquer une tension VW entre les deux bornes, permettant un passage du courant à travers l'indicateur lumineux L1. En série avec le contact électrique C1, l'élément fonctionnel 20 comporte une diode D3, la diode D3 étant orientée en sens inverse par rapport à la diode D2 en série avec l'indicateur lumineux. Pour lire l'état du contact électrique C1, le module de commande met en oeuvre des moyens de lecture agencés pour appliquer une tension VR entre les deux bornes, de signe opposée à la tension VW, et permettant un passage du courant à travers le contact électrique C1 si celui-ci est fermé.The figure 4 schematically represents the functional element 20 connected between the common terminal BC and the terminal BDi and comprising a light indicator L1, for example a light emitting diode, and an electrical contact C1 connected in parallel between these terminals. In addition to the light indicator L1, the functional element 20 comprises a resistor R1 and a diode D2 connected in series with the light indicator L1. To write the state of the light indicator L1, the control module 1 implements writing means arranged to apply a voltage V W between the two terminals, allowing a current flow through the light indicator L1. In series with the electrical contact C1, the functional element 20 comprises a diode D3, the diode D3 being oriented in opposite direction with respect to the diode D2 in series with the indicator light. To read the state of the electrical contact C1, the control module implements reading means arranged to apply a voltage V R between the two terminals, of opposite sign to the voltage V W , and allowing a passage of the current through the electrical contact C1 if it is closed.

Le signe de chaque tension VW et VR est choisi en fonction de l'orientation des diodes D2, D3.The sign of each voltage V W and V R is chosen according to the orientation of the diodes D2, D3.

En référence à la figure 5, pour chaque organe de dialogue homme-machine 2 qui lui est connecté, le module de commande 1 est ainsi agencé pour appliquer une période d'écriture TW et une période de lecture TR des états du contact électrique C1 et de l'indicateur lumineux L1 de l'élément fonctionnel en appliquant en alternance la tension VW et la tension VR. La phase de lecture est réalisée pendant une durée très courte en interrompant la phase d'écriture. La phase de lecture durera par exemple quelques millisecondes et l'interruption destinée à cette lecture restera invisible à l'oeil nu. Comme représenté sur la figure 5, deux périodes longues d'écriture de l'indicateur lumineux sont ainsi séparées à chaque fois par une période courte de lecture du contact électrique. Cette stratégie est appliquée par le module de commande 1 pour chaque organe de dialogue homme-machine 2 du système. La période de lecture représentera par exemple moins de 1% de la durée totale nécessaire à la lecture et à l'écriture.With reference to the figure 5 for each human-machine dialogue member 2 connected to it, the control module 1 is thus arranged to apply a write period T W and a read period T R of the states of the electrical contact C1 and the indicator luminous L1 of the functional element by alternately applying the voltage V W and the voltage V R. The reading phase is performed for a very short time by interrupting the writing phase. The reading phase will last for example a few milliseconds and the interruption intended for this reading will remain invisible to the naked eye. As shown on the figure 5 two long periods of writing of the light indicator are thus separated each time by a short period of reading of the electrical contact. This strategy is applied by the control module 1 for each man-machine dialogue unit 2 of the system. The reading period will represent for example less than 1% of the total time required for reading and writing.

Pour un élément fonctionnel 20 qui comporte deux contacts électriques CA, CB connectés en parallèle, le module de commande 1 doit pouvoir déterminer l'état respectif de chaque contact électrique CA, CB. Les figures 6 à 8 représentent plusieurs modes de réalisation permettant au module de commande 1 de lire les états des deux contacts CA, CB en n'employant toujours qu'un seul fil. Les deux contacts électriques CA, CB sont connectés en parallèle entre la borne commune BC et une borne BDi du module de commande 1.For a functional element 20 which comprises two electrical contacts C A , C B connected in parallel, the control module 1 must be able to determine the respective state of each electrical contact C A , C B. The Figures 6 to 8 represent several embodiments enabling the control module 1 to read the states of the two contacts C A , C B while still using only one wire. The two electrical contacts C A , C B are connected in parallel between the common terminal BC and a terminal BDi of the control module 1.

La figure 6 représente une première solution permettant de discriminer les états des deux contacts CA, CB. Sur la figure 6, deux impédances ZA, ZB sont connectées chacune en série avec un contact CA, CB pour permettre une discrimination par les courants. Les deux impédances ZA, ZB ont des valeurs différentes pour que les deux courants IA et IB qui traversent chaque contact soient de valeurs différentes et permettre ainsi de déterminer lequel des deux contacts est actif lorsqu'un seul des deux contacts est commandé à l'état fermé. En appliquant la tension VR entre la borne commune BC et la borne BDi auxquelles les deux contacts CA, CB sont connectées en parallèle, le module de commande 1 discriminera les états des contacts de la manière suivante :

  • CA et CB à l'état ouvert : le courant vu par le module de commande 1 sera nul - I=0
  • CA à l'état fermé et CB à l'état ouvert, le courant vu par le module de commande 1 aura pour valeur I=IA=VR/ZA
  • CA à l'état ouvert et CB à l'état fermé, le courant vu par le module de commande 1 aura pour valeur I=IB=VR/ZB
  • CA à l'état fermé et CB à l'état fermé, le courant vu par le module de commande 1 aura pour valeur I=IA+IB=VR/ZA+VR/ZB
The figure 6 represents a first solution for discriminating the states of the two contacts C A , C B. On the figure 6 , two impedances Z A , Z B are each connected in series with a contact C A , C B to enable discrimination by the currents. The two impedances Z A , Z B have different values so that the two currents I A and I B crossing each contact are of different values and thus make it possible to determine which of the two contacts is active when only one of the two contacts is controlled. in the closed state. By applying the voltage V R between the common terminal BC and the terminal BDi to which the two contacts C A , C B are connected in parallel, the control module 1 will discriminate the states of the contacts as follows:
  • C A and C B in the open state: the current seen by the control module 1 will be zero - I = 0
  • C In the closed state and C B in the open state, the current seen by the control module 1 will be I = I A = V R / Z A
  • C A in the open state and C B in the closed state, the current seen by the control module 1 will have the value I = I B = V R / Z B
  • C A in the closed state and C B in the closed state, the current seen by the control module 1 will have the value I = I A + I B = V R / Z A + V R / Z B

La figure 7 représente une deuxième solution permettant de discriminer les états des deux contacts CA, CB. Sur la figure 7, deux diodes zeners DZA, DZB sont connectées chacune en parallèle avec un contact CA, CB pour permettre une discrimination par les tensions. Les deux diodes DZA, DZB ont des valeurs différentes pour pouvoir déterminer lequel des deux contacts est actif lorsqu'un seul des deux contacts est commandé à l'état fermé. En appliquant la tension VR entre la borne commune BC et la borne BDi auxquelles les deux contacts CA, CB sont connectées en série, le module de commande 1 discriminera les états des contacts de la manière suivante :

  • CA et CB à l'état ouvert : la tension vue par le module de commande est alors égale à : VR=VZA+VZB
  • CA à l'état fermé et CB à l'état ouvert, la tension vue par le module de commande est alors égale à : VR=VZB
  • CA à l'état ouvert et CB à l'état fermé, la tension vue par le module de commande est alors égale à : VR=VZA
  • CA à l'état fermé et CB à l'état fermé, la tension vue par le module de commande est nulle : VR=0
The figure 7 represents a second solution for discriminating the states of the two contacts C A , C B. On the figure 7 , two zener diodes DZ A , DZ B are each connected in parallel with a contact C A , C B to allow discrimination by the voltages. The two diodes DZ A , DZ B have different values to be able to determine which of the two contacts is active when only one of the two contacts is controlled in the closed state. By applying the voltage V R between the common terminal BC and the terminal BDi to which the two contacts C A , C B are connected in series, the control module 1 will discriminate the states of the contacts as follows:
  • C A and C B in the open state: the voltage seen by the control module is then equal to: V R = V ZA + V ZB
  • C A in the closed state and C B in the open state, the voltage seen by the control module is then equal to: V R = V ZB
  • C A in the open state and C B in the closed state, the voltage seen by the control module is then equal to: V R = V ZA
  • C A in the closed state and C B in the closed state, the voltage seen by the control module is zero: V R = 0

Sur les figures 8A et 8B, la discrimination est réalisée par le temps. Sur la figure 8A, deux transistors TA et TB sont commandées l'un après l'autre pour activer l'une ou l'autre des branches de circuit portant chaque contact CA, CB surveillé. Un organe monostable M permet de commander alternativement les deux transistors TA, TB. En référence à la figure 8B, la période de lecture TR est ainsi découpée en deux parties. En appliquant la tension VR entre la borne commune BC et la borne BDi, sur une première partie de la période de lecture TR, le module de commande 1 lit l'état du premier contact CA et sur une deuxième partie de la période de lecture TR, le module de commande 1 lit l'état du deuxième contact CB.On the Figures 8A and 8B , discrimination is achieved by time. On the figure 8A , two transistors T A and T B are controlled one after the other to activate one or other of the circuit branches carrying each contact C A , C B monitored. A monostable member M allows alternately to control the two transistors T A , T B. With reference to the Figure 8B , the reading period T R is thus divided into two parts. By applying the voltage V R between the common terminal BC and the terminal BDi, over a first part of the reading period T R , the control module 1 reads the state of the first contact C A and on a second part of the period reading T R , the control module 1 reads the state of the second contact C B.

La solution proposée permettra notamment d'employer un minimum de fils pour adresser chaque organe de dialogue homme-machine du système, sans pour autant nécessiter l'emploi d'intelligence dans les organes, ni d'une méthode de lecture/écriture complexe.The proposed solution will notably make it possible to use a minimum of wires to address each human-machine dialogue unit of the system, without requiring the use of intelligence in the organs, or a complex read / write method.

Claims (8)

  1. Control module (1) for a human-machine dialogue system, said human-machine dialogue system comprising one or more human-machine dialogue devices (2) connected in series, a human-machine dialogue device (2) comprising a functional element (20) comprising at least one electrical contact (C1), an indicator (L1) or a combination of at least one electrical contact (C1) and of an indicator (L1), said control module (1) comprising a microcontroller (10), a common terminal (BC) designed to be connected to each functional element and several terminals (BGi, BDi) each dedicated to the individual control of the functional element of each human-machine dialogue device, characterized in that it comprises:
    - reading means configured for applying, over one read period, a voltage (VR) of a first sign between its common terminal (BC) and each dedicated terminal in order to read the state of each electrical contact (C1) of the connected human-machine dialogue devices,
    - writing means configured for applying, over one write period, a voltage (VW) of sign opposite to the first sign, between its common terminal (BC) and each dedicated terminal, in order to write the state of each indicator (L1) of the connected human-machine dialogue devices, and in that
    - it is configured for controlling the reading means and the writing means alternately over time and in that the read period is short with respect to the write period
  2. Human-machine dialogue system comprising a control module (1) and several human-machine dialogue devices (2) connected in series, a human-machine dialogue device comprising a functional element (20) comprising at least one electrical contact (C1), an indicator (L1) or a combination of at least one electrical contact and of an indicator, said control module (1) comprising a common terminal (BC) connected to all the human-machine dialogue devices and a terminal dedicated to the individual control of each functional element (20) of the human-machine dialogue devices, characterized in that the control module (1) is such as defined in one of the preceding claims.
  3. System according to Claim 2, characterized in that it comprises:
    - a human-machine dialogue device equipped with a functional element having a first electrical contact (CA) and a second electrical contact (CB) connected in parallel,
    - means for determining the state of the first electrical contact (CA) and the state of the second electrical contact (CB) over said read period.
  4. System according to Claim 3, characterized in that the determination means are configured for determining the state of each electrical contact by the level of current flowing through each electrical contact.
  5. System according to Claim 3, characterized in that the determination means are configured for determining the state of each electrical contact by the level of voltage across the terminals of each electrical contact.
  6. System according to Claim 3, characterized in that the determination means are configured for dividing up the read period (TR) into a first part designed to read the state of the first electrical contact (CA) and into a second part designed to read the state of the second electrical contact (CB).
  7. System according to one of Claims 2 to 6, characterized in that the human-machine dialogue devices (2) are connected to the control module by a point-to-point link via a network of twisted cables.
  8. System according to Claim 2, characterized in that the indicator is of the light-emitting type.
EP15188288.3A 2014-11-04 2015-10-05 Control module for a human-machine dialogue system Active EP3035166B1 (en)

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FR3026505B1 (en) * 2014-09-30 2017-12-22 Schneider Electric Ind Sas DEVICE FOR MONITORING / CONTROLLING A PLURALITY OF MAN-MACHINE DIALOGUE ORGANS
FR3071637B1 (en) * 2017-09-25 2019-09-13 Schneider Electric Industries Sas CONTROL MODULE FOR MAN-MACHINE DIALOGUE SYSTEM

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JPS60135934U (en) * 1984-02-16 1985-09-10 パイオニア株式会社 Key switch output reading control device
JPH02205912A (en) * 1989-02-03 1990-08-15 Fanuc Ltd Matrix control circuit
US6215204B1 (en) * 1999-09-28 2001-04-10 Rockwell Technologies, Llc Emergency stop system employing modular relays
US7030858B1 (en) * 1999-10-28 2006-04-18 Lucent Technologies Inc. Bi-directional scan switch matrix method and apparatus
DE10020074C5 (en) * 2000-04-22 2010-04-29 Pilz Gmbh & Co. Kg Modular safety relay system
US7151432B2 (en) * 2001-09-19 2006-12-19 Immersion Corporation Circuit and method for a switch matrix and switch sensing
EP1703530B1 (en) * 2005-03-16 2012-11-14 Rockwell Automation Germany GmbH & Co. KG Circuit arrangement and method for indicating the status of one of plurality of switches connected in series to a safety relay
FR2970790B1 (en) * 2011-01-24 2013-08-09 Schneider Electric Ind Sas MAN-MACHINE DIALOGUE SYSTEM

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US10089839B2 (en) 2018-10-02
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EP3035166A1 (en) 2016-06-22
FR3028060A1 (en) 2016-05-06
US20160125708A1 (en) 2016-05-05
CN105573513A (en) 2016-05-11
FR3028060B1 (en) 2017-11-24

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